Hardware Spec Index

Novexa PW-5947 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW5947-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,432 (Power Supplies scale)
Category rank#18,192
Street price$79
Power850 W (rated)
Performance per dollar18.13
Released2021

Specifications

BrandNovexa
ModelNovexa PW-5947 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-3857 SE 850W 80 PLUS Gold ATX Power Supply1,677$119Compare
Vantrel PW-4986 SE 550W 80 PLUS Gold ATX Power Supply717$39Compare
Vantrel PW-1962 Pro 650W 80 PLUS Gold ATX Power Supply876$49Compare
Zephyra PW-7791 Edge 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,699$309Compare
Novexa PW-4079 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,426$99Compare
Caldera PW-1143 Pro 1600W 80 PLUS Titanium ATX Power Supply2,403$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5947 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/20152196 (accessed 2026-10-20).